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A Comparison Of Continental Extension Estimates Across The Margins Of The Woodlark Basin Papua New Guinea
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Book Synopsis A Comparison of Continental Extension Estimates Across the Margins of the Woodlark Basin, Papua New Guinea by : Berg Nazlim
Download or read book A Comparison of Continental Extension Estimates Across the Margins of the Woodlark Basin, Papua New Guinea written by Berg Nazlim and published by . This book was released on 2017 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: Previous studies have shown that depth dependent extension is common across rifted margins. A discrepancy exists between the estimates of extension made through whole lithosphere/crust vs fault heave calculations (for example, northwest Australia, South China Sea, Galicia). Although this discrepancy is also observed in the Woodlark Basin (~111 (23) from brittle extension and ~115 (47) from subsidence [Kington and Goodliffe, 2008]), the location of this study, including sub-seismic resolution and poly-phase faulting reduces this mismatch. What makes the Woodlark Basin unique is that a third measure of continental extension is available, Euler pole kinematics. Previous studies show that this predicts almost double (~220 km) the extension calculated from subsidence and brittle extension [Kington and Goodliffe, 2008]. Extension in the Woodlark Basin began at ~8.4 Ma and transitioned to sea-floor spreading in the east at ~6 Ma [Kington and Goodliffe, 2008]. The basin is an ideal place to study the extension discrepancy because of its young age and thin sediments. Seismic reflection data provide good images of basement and fault structures. High-resolution bathymetry permits tracing of major faults on the seafloor. A previous study focused on the extension discrepancy at the rifting to spreading transition. This study will focus on the discrepancy further east where seafloor spreading began at ~1.8 Ma and opening rates are faster. Using high resolution bathymetry, magnetics, gravity, and low-fold 2-D seismic reflection data allowed me to estimate the amount of extension through brittle extension and subsidence. Euler pole derived extension rates from previous studies were used for comparison. The results of this study show that the amount of extension increases towards the east as is expected from having a Euler pole to the west. Subsidence derived extension estimates yielded 95.6 (38) km at 153.0E with a maximum stretching factor of 1.8. This increased to 145.3 (52) km with a maximum stretching factor of 1.89 to the east. Brittle extension estimates yielded between 107.1 (26.8) and 143.1 (35.8) km of extension between 153.0E and 154.0E. Both estimates of extension are far lower than the ~235 km of extension predicted by Euler Pole kinematics for the same area. As in the Kington and Goodliffe [2008] study, brittle faulting and subsidence derived extension estimates match (within the error limits).
Author :Geological Society of London Publisher :Geological Society of London ISBN 13 :9781862390911 Total Pages :598 pages Book Rating :4.3/5 (99 download)
Book Synopsis Non-volcanic Rifting of Continental Margins by : Geological Society of London
Download or read book Non-volcanic Rifting of Continental Margins written by Geological Society of London and published by Geological Society of London. This book was released on 2001 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt: Non-continental margins lack thick lavas that are generated as continental crust thins immediately prior to the onset of seafloor spreading. They may form up to 30 per cent of passive margins around the world. This volume contains papers examining an active margin, fossil margins that border present day oceans, and remnants of margins exposed today in the Alps. The papers present evidence across a range of scales, from individual mineral grains, through borelide cores and outcrop, to whole margins at the crustal scale.
Book Synopsis Active Continental Extension in the Western Woodlark Basin, Papua New Guinea by : Adam Klaus
Download or read book Active Continental Extension in the Western Woodlark Basin, Papua New Guinea written by Adam Klaus and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Active Continental Extension in the Western Woodlark Basin, Papua New Guinea by : Adam Klaus
Download or read book Active Continental Extension in the Western Woodlark Basin, Papua New Guinea written by Adam Klaus and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Imaging, Mapping and Modelling Continental Lithosphere Extension and Breakup by : Garry D. Karner
Download or read book Imaging, Mapping and Modelling Continental Lithosphere Extension and Breakup written by Garry D. Karner and published by Geological Society of London. This book was released on 2007 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume summarises our present understanding of the formation of passive continental margins and their ocean-continent transitions. It outlines the geological, geophysical and petrological observations that characterize extensional systems, and how such observations can guide and constrain dynamic and kinematic models of continental lithosphere extension, breakup and the inception of organized sea-floor spreading.
Book Synopsis Dissertation Abstracts International by :
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2000 with total page 846 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Deep Marine Systems by : Kevin T. Pickering
Download or read book Deep Marine Systems written by Kevin T. Pickering and published by John Wiley & Sons. This book was released on 2015-10-23 with total page 597 pages. Available in PDF, EPUB and Kindle. Book excerpt: Deep-water (below wave base) processes, although generally hidden from view, shape the sedimentary record of more than 65% of the Earth’s surface, including large parts of ancient mountain belts. This book aims to inform advanced-level undergraduate and postgraduate students, and professional Earth scientists with interests in physical oceanography and hydrocarbon exploration and production, about many of the important physical aspects of deep-water (mainly deep-marine) systems. The authors consider transport and deposition in the deep sea, trace-fossil assemblages, and facies stacking patterns as an archive of the underlying controls on deposit architecture (e.g., seismicity, climate change, autocyclicity). Topics include modern and ancient deep-water sedimentary environments, tectonic settings, and how basinal and extra-basinal processes generate the typical characteristics of basin slopes, submarine canyons, contourite mounds and drifts, submarine fans, basin floors and abyssal plains.
Book Synopsis Active Continental Extension in the Western Woodlark Basin, Papua New Guinea by : Brian Taylor
Download or read book Active Continental Extension in the Western Woodlark Basin, Papua New Guinea written by Brian Taylor and published by . This book was released on 1999 with total page 77 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Abstracts of Papers by : Geological Association of Canada. Meeting
Download or read book Abstracts of Papers written by Geological Association of Canada. Meeting and published by . This book was released on 1991 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Actice Continental Extension in the Western Woodlark Basin, Papua New Guinea by : Phyllis M. Garman
Download or read book Actice Continental Extension in the Western Woodlark Basin, Papua New Guinea written by Phyllis M. Garman and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geophysical and morpho-tectonic study of the transition between seafloor spreading and continental rifting, western Woodlark Basin, Papua New Guinea by : V. BENES
Download or read book Geophysical and morpho-tectonic study of the transition between seafloor spreading and continental rifting, western Woodlark Basin, Papua New Guinea written by V. BENES and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Styles and Distribution of Continental Extension Derived from the Rift Basins of Eastern Padua New Guinea by : Jia Fang
Download or read book Styles and Distribution of Continental Extension Derived from the Rift Basins of Eastern Padua New Guinea written by Jia Fang and published by . This book was released on 2000 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The South China Sea by : Pinxian Wang
Download or read book The South China Sea written by Pinxian Wang and published by Springer Science & Business Media. This book was released on 2009-05-27 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pinxian Wang and Qianyu Li The South China Sea (SCS) (Fig. 1. 1) offers a special attraction for Earth scientists world-wide because of its location and its well-preserved hemipelagic sediments. As the largest one of the marginal seas separating Asia from the Paci?c, the largest continent from the largest ocean, the SCS functions as a focal point in land-sea int- actions of the Earth system. Climatically, the SCS is located between the Western Paci?c Warm Pool, the centre of global heating at the sea level, and the Tibetan Plateau, the centre of heating at an altitude of 5,000m. Geomorphologically, the SCS lies to the east of the highest peak on earth, Zhumulangma or Everest in the Himalayas (8,848m elevation) and to the west of the deepest trench in the ocean, Philippine Trench (10,497m water depth) (Wang P. 2004). Biogeographically, the SCS belongs to the so-called “East Indies Triangle” where modern marine and terrestrial biodiversity reaches a global maximum (Briggs 1999). Among the major marginal sea basins from the west Paci?c, the SCS presents some of the best conditions for accumulating complete paleoclimatic records in its hemipelagic deposits. These records are favorable for high-resolution pa- oceanographic studies because of high sedimentation rates and good carbonate preservation. It may not be merely a coincidence that two cores from the southern 14 SCS were among the ?rst several cores in the world ocean used by AMS C dating for high-resolution stratigraphy (Andree et al. 1986; Broecker et al. 1988).
Book Synopsis Convergent margin extension associated with arc-continent collision by : G.P. WHITMORE
Download or read book Convergent margin extension associated with arc-continent collision written by G.P. WHITMORE and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Petroleum Abstracts written by and published by . This book was released on 1992 with total page 1716 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Geomorphology of Papua New Guinea by : E. Löffler
Download or read book Geomorphology of Papua New Guinea written by E. Löffler and published by . This book was released on 1977 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Transform Margins: written by M Nemcok and published by Geological Society of London. This book was released on 2016-09-26 with total page 383 pages. Available in PDF, EPUB and Kindle. Book excerpt: The volume reviews current knowledge of transform margins and addresses fundamental questions for future research. Furthermore, the articles look at principal factors that influence the dynamics, kinematics and thermal regimes of continental break-up at transform margins and cover geophysics (bathymetry, seismic, gravity and magnetic studies), structural geology, sedimentology, geochemistry, plate reconstruction and thermo-mechanical numerical modelling.
